CVE-2021-35477

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled...

kernel: perf_event_parse_addr_filter memory

A memory leak flaw was found in the Linux kernel’s performance monitoring subsystem when using PERFEVENTIOCSETFILTER. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability...

DEBIAN-CVE-2021-34693

net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized...

Juniper Junos OS DoS (JSA11125)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11125 advisory. On Juniper Networks Junos OS platforms with link aggregation lag configured, executing any operation that fetches Aggregated Ethernet AE interface statistics, including but...

kernel: memory leak in sof_set_get_large_ctrl_data() function in sound/soc/sof/ipc.c

A flaw was found in the Linux kernel’s sofsetgetlargectrldata function, in the way it handled memory cleanup in a specific error path. A local attacker could use this flaw to crash the system...

kernel: perf_event_parse_addr_filter memory

A memory leak flaw was found in the Linux kernel’s performance monitoring subsystem when using PERFEVENTIOCSETFILTER. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability...

CVE-2021-0272

A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators FPCs on Juniper Networks Junos OS allows an attacker to send genuine packets destined to the device to cause a Denial of Service DoS to the device. On QFX10002-32Q, QFX10002-60C...

CVE-2021-0272

A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators FPCs on Juniper Networks Junos OS allows an attacker to send genuine packets destined to the device to cause a Denial of Service DoS to the device. On QFX10002-32Q, QFX10002-60C...

CVE-2021-0230

On Juniper Networks SRX Series devices with link aggregation lag configured, executing any operation that fetches Aggregated Ethernet AE interface statistics, including but not limited to SNMP GET requests, causes a slow kernel memory leak. If all the available memory is consumed, the traffic wil...

Design/Logic Flaw

A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators FPCs on Juniper Networks Junos OS allows an attacker to send genuine packets destined to the device to cause a Denial of Service DoS to the device. On QFX10002-32Q, QFX10002-60C...

CVE-2021-0230

CVE-2021-0230 affects Juniper Networks Junos OS on SRX Series devices with link aggregation (lag). When performing operations that fetch AE interface statistics (e.g., SNMP GET), a slow kernel memory leak can consume memory, potentially impacting traffic and requiring a reboot. Affected versions ...

PT-2021-12943 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS on SRX Series versions 17.1R3 through 17.3R3-S10 Juniper Networks Junos OS on SRX Series versions 17.4 through 17.4R3-S4 Juniper Networks Junos OS on SRX Series versions 18.2 through 18.2R3-S6 Juniper Networks Junos ...

Juniper Junos OS Vulnerability (JSA11163)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11163 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. C Tenable Network Security, Inc...

CVE-2021-29649

An issue was discovered in the Linux kernel before 5.11.11. The user mode driver UMD has a copyprocess memory leak, related to a lack of cleanup steps in kernel/usermodedriver.c and kernel/bpf/preload/bpfpreloadkern.c, aka CID-f60a85cad677...

New Bugs Could Let Hackers Bypass Spectre Attack Mitigations On Linux Systems

Cybersecurity researchers on Monday disclosed two new vulnerabilities in Linux-based operating systems that, if successfully exploited, could let attackers circumvent mitigations for speculative attacks such as Spectre and obtain sensitive information from kernel memory. Discovered by Piotr Krysi...

kernel: increase slab leak leads to DoS

A flaw was found in the way memory resources were freed in the unixstreamrecvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system...

PT-2021-7676 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.10.161 Description: A vulnerability in the io uring subsystem can leak kernel memory information to the user process. The timens install function calls current is single threaded to determine if the current...

kernel: information leak bug caused by a malicious USB device in the drivers/media/usb/ttusb-dec/ttusb_dec.c

An information leak flaw was found in the Linux kernel's USB digital video device driver. An attacker with a malicious USB device presenting itself as a 'Technotrend/Hauppauge USB DEC' device is able to issue commands to this specific device and leak kernel internal memory information. The highes...

kernel: memory leak in mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c

A flaw was found in the Linux kernel's mwifiex driver implementation when connecting to other WiFi devices in "Test Mode." A kernel memory leak can occur if an error condition is met during the parameter negotiation. This issue can lead to a denial of service if multiple error conditions meeting...

kernel: A memory leak in the alloc_sgtable() function in drivers/net/wireless/intel/iwlwifi/fw/dbg.c allows for a DoS

A flaw was found in the Linux kernel. The Intel Wireless WiFi MVM Firmware driver mishandles resource cleanup during device coredump. An attacker able to trigger the device coredump and system-wide out of memory conditions at the same time could use this flaw to crash the system. The highest thre...